HP 17bII+ - Manual (Page 224)

224 A: Assistance, Batteries, Memory, and Service
File name : English-M02-1-040308(Print).doc Print data : 2004/3/9
A: Refer to “Managing Calculator Memory” on page 227 for
instructions on how to reclaim memory for your use.
Q: The calculator is operating slowly, and the
annunciator is
blinking. Why?
A: The calculator is trace printing. Press
@p  e to turn
off tracing.
Q: How can I change the sign of a number in a list without keying in the
number again?
A: Press
R I & I .
Q: The beeper is not working.
A: Check the beeper mode by pressing
@>  . See also
page 36.
Q: The messages and the menu labels in the display are not in English.
How do I restore the English?
A: Models of the hp 17bII+ sold in many countries outside of the United
States include a menu to select the language for messages and labels.
To select the English language, press
@>   .
Power and Batteries
The calculator is power by two 3-volt lithium coin batteries.
When changing batteries, use only fresh button-cell batteries. Both
batteries must be changed at the same time.
Do not use rechargeable batteries.
Low-Power Indications
When the low-battery annunciator ( ) comes on, the calculator
can continue normal operation for several hours. If the calculator is
turned off. Continuous Memory will be preserved for approximately two
weeks. To conserve battery power, printing does not function when the
battery annunciator is on. Printing might halt during a printing operation